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Diffstat (limited to 'mit-pthreads/pthreads/globals.c')
| -rw-r--r-- | mit-pthreads/pthreads/globals.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/mit-pthreads/pthreads/globals.c b/mit-pthreads/pthreads/globals.c new file mode 100644 index 00000000000..921588fb220 --- /dev/null +++ b/mit-pthreads/pthreads/globals.c @@ -0,0 +1,85 @@ +/* ==== globals.c ============================================================ + * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Chris Provenzano. + * 4. The name of Chris Provenzano may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Description : Global variables. + * + * 1.00 93/07/26 proven + * -Started coding this file. + */ + +#ifndef lint +static const char rcsid[] = "$Id$"; +#endif + +#include <pthread.h> + +/* + * Initial thread, running thread, and top of link list of all threads. + */ +struct pthread *pthread_run=NULL; +struct pthread *pthread_initial=NULL; +struct pthread *pthread_link_list=NULL; + +sigset_t * uthread_sigmask; /* Current process signal mask */ + +/* + * Dead thread queue, and threads elligible to be alloced queue. + */ +struct pthread_queue pthread_dead_queue; +struct pthread_queue pthread_alloc_queue; + +/* + * Queue for all threads elidgeable to run this scheduling round. + */ +struct pthread_prio_queue * pthread_current_prio_queue=NULL; + +/* + * default thread attributes + */ +pthread_attr_t pthread_attr_default = { SCHED_RR, PTHREAD_DEFAULT_PRIORITY, + PTHREAD_CREATE_JOINABLE, NULL, NULL, NULL, PTHREAD_STACK_DEFAULT }; + +/* + * File table information + */ +struct fd_table_entry **fd_table=NULL; + +/* + * A we a fork()ed process + */ +volatile int fork_lock = 0; +volatile int pthread_kernel_lock=0; + +/* + * The page size, as returned by getpagesize() + */ +size_t pthread_pagesize=0; + |